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| Part Number | LTC4269IDKD-1#TRPBF | LTC4269IDKD-2#TRPBF | LTC4268IDKD-1#TRPBF | LTC4269CDKD-1#TRPBF | 
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | Active | Active | 
| Type | Controller (PD), DC/DC | Controller (PD), DC/DC | Controller (PD), DC/DC | Controller (PD), DC/DC | 
| Number of Channels | 1 | 1 | 1 | 1 | 
| Power - Max | 25.5 W | 25.5 W | 35 W | 25.5 W | 
| Internal Switch(s) | Yes | Yes | No | Yes | 
| Auxiliary Sense | Yes | Yes | No | Yes | 
| Standards | 802.3at (PoE+), 802.3af (PoE) | 802.3at (PoE+), 802.3af (PoE) | 802.3af (PoE) | 802.3at (PoE+), 802.3af (PoE) | 
| Voltage - Supply | 37.2V ~ 60V | 37.2V ~ 60V | 57V (Max) | 37.2V ~ 60V | 
| Current - Supply | 1.35mA (Max) | 1.35mA (Max) | 3mA (Max) | 1.35mA (Max) | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 0°C ~ 70°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 32-WFDFN Exposed Pad | 32-WFDFN Exposed Pad | 32-WFDFN Exposed Pad | 32-WFDFN Exposed Pad | 
| Supplier Device Package | 32-DFN (7x4) | 32-DFN (7x4) | 32-DFN (7x4) | 32-DFN (7x4) |